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by Full_Clark
507 days ago
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> I even suspect that the current near-sightedness epidemic is caused by people spending too much time in dim lighting. Maybe if our indoor lighting was brighter our eyesight would not adapt to become near-sighted as much. It's not that eyes are adapting to low light so much as the fact that exposure to 10k lux stimulates the release of neurotransmitters which prevent the eye from growing too quickly. Last I checked, the recommendation is for children to spend 2+ hours per day outdoors in sunlight. Morning and evening aren't sufficiently lit so it really comes down to school and after-school care scheduling enough outdoors time. |
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